IT Infrastructure Exam Bank
Course Introduction
IT Infrastructure explores the fundamental components and frameworks that support the operation and management of enterprise information technology environments. The course covers key topics such as hardware systems, software platforms, networking, data storage, virtualization, cloud computing, and security essentials. Emphasis is placed on understanding how these elements interact to create scalable, reliable, and efficient technology infrastructures. Students will learn best practices for planning, implementing, and maintaining IT infrastructure to meet organizational needs, with consideration of emerging trends and future challenges in the field.
Recommended Textbook
Business Data Networks and Security 9th Edition by Raymond R. Panko
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15 Chapters
1182 Verified Questions
1182 Flashcards
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Page 2
Chapter 1: Welcome to the Cloud
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92 Verified Questions
92 Flashcards
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Sample Questions
Q1) ________ are carried inside ________.
A)Frames, packets
B)Packets, frames
C)Both A and B
D)Neither A nor B
Answer: B
Q2) Which layer governs the hop-by-hop transmission of packets across an Internet?
A)layer 1
B)layer 2
C)layer 3
D)none of the above
Answer: C
Q3) Multiplexing reduces transmission cost.
A)True
B)False
Answer: True
Q4) A home access router contains a DHCP server.
A)True
B)False
Answer: False
Page 3
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Chapter 2: Network Standards
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100 Verified Questions
100 Flashcards
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Sample Questions
Q1) A sending host will retransmit a TCP segment if ________.
A)it receives an ACK segment
B)it receives a NAC segment
C)it receives an RPT segment.
D)none of the above
Answer: D
Q2) At which layer would you find file transfer protocol standards for downloading files?
A)application
B)transport
C)internet
D)none of the above
Answer: A
Q3) ________ is placing a message in the data field of another message.
A)Nesting
B)Vertical communication
C)Layering
D)Encapsulation
Answer: D
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Chapter 3: Network Security
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152 Verified Questions
152 Flashcards
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Sample Questions
Q1) The digital certificate provides the ________.
A)private key of the supplicant
B)private key of the true party
C)public key of the supplicant
D)none of the above
Answer: D
Q2) Firewalls typically stop viruses.
A)True
B)False
Answer: False
Q3) Credit card number thieves are called ________.(Pick the most precise answer.)
A)numbers racketeers
B)fraudsters
C)identity thieves
D)carders
Answer: D
Q4) The goal of security is to eliminate risk.
A)True
B)False
Answer: False
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Chapter 4: Network Management
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96 Verified Questions
96 Flashcards
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Sample Questions
Q1) Variability in delay is called jitter.
A)True
B)False
Q2) ________ is managing the network on a second-by-second basis.
A)Operations
B)Administration
C)Provisioning
D)Maintenance
Q3) An SLA for availability should specify a ________.
A)maximum availability
B)minimum availability
C)both A and B
D)neither A nor B
Q4) Most corporate leased line networks are ________.
A)full mesh leased line networks
B)pure hub-and-spoke leased line networks
C)both of the above
D)neither A nor B
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Page 6
Chapter 5: Wired Ethernet Lans
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117 Verified Questions
117 Flashcards
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Sample Questions
Q1) Carrier fiber can carry signals farther than LAN fiber.
A)True
B)False
Q2) Ethernet processing is executed in hardware.
A)True
B)False
Q3) If both 1000BASE-LX and 1000BASE-SX will serve your needs,which one should you use?
A)1000BASE-LX
B)1000BASE-SX
C)Either, because both run at the same speed.
Q4) Ethernet addresses are called ________ addresses.
A)MAC
B)physical
C)both A and B
D)neither A nor B
Q5) Ethernet addresses are called MAC addresses.
A)True
B)False
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Chapter 6: Wireless Lans I
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97 Verified Questions
97 Flashcards
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Sample Questions
Q1) When a wireless NIC using CSMA/CD receives a frame correctly,it immediately sends back a reply without listening for traffic.
A)True
B)False
Q2) The presence of a client that is distant from the access point reduces the individual throughput of other clients served by that access point.
A)True
B)False
Q3) In unlicensed bands,________.
A)you can use radios wherever you please
B)you can prevent nearby businesses from setting up access points in the same channel
C)both A and B
D)neither A nor B
Q4) Mesh networking in 802.11 is likely to use ________.
A)only wireless devices
B)wireless devices and the site's wired LAN
C)both A and B
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Chapter 7: Wireless Lans 2
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75 Flashcards
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Sample Questions
Q1) A mobile phone may communicate with a headset using the Bluetooth ________ profile.
A)hands-free
B)headset
C)both A and B
D)neither A nor B
Q2) In which frequency band can NFC operate?
A)2)4 GHz
B)5 GHz
C)both A and B
D)neither A nor B
Q3) UWB channels are wider than a full service band.
A)True
B)False
Q4) 2 mW represents a dBm value of about ________.
A)2
B)3
C)20
D)We cannot say because only one power is given.
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Chapter 8: Tcpip Internetworking I
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96 Verified Questions
96 Flashcards
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Sample Questions
Q1) Which of the following is contributing to the exhaustion of IPv4 addresses?
A)the growing number of hosts in Asia
B)the growing number of mobile devices
C)both A and B
D)neither A nor B
Q2) The new version of Internet Protocol that is coming into use is IP version ________.
A)1
B)4
C)5
D)6
Q3) A mask has ________ bits.
A)8
B)16
C)32
D)We cannot say.
Q4) ICMP error advisement messages add reliability to IP.
A)True
B)False
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Page 10
Chapter 9: Tcpip Internetworking 2
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104 Verified Questions
104 Flashcards
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Sample Questions
Q1) In SNMP,the manager communicates directly with a(n)________.
A)managed device
B)agent
C)both A and B
D)neither A nor B
Q2) In IPsec,agreements about how security will be done are called ________.
A)tranches
B)security contracts
C)service-level agreements
D)security associations
Q3) Stateless autoconfiguration will give an IPv6 host most or all of the configuration information it needs to operate effectively.
A)True
B)False
Q4) In transport mode,IPsec provides security over the internal networks.
A)True
B)False
Q5) IPsec protects all layers above the internet layer.
A)True
B)False
11
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Chapter 10: Wide Area Networks
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84 Flashcards
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Sample Questions
Q1) Cellular technology was created to support more customers in a single area.
A)True
B)False
Q2) UTP transmission in WANs is normally limited to about 100 meters.
A)True
B)False
Q3) A firm uses a PSDN.It has four sites.How many leased lines will it need?
A)none
B)1
C)4
D)none of the above
Q4) WAN prices are closely related to carrier costs.
A)True
B)False
Q5) Which of the following go from one customer site to another customer site?
A)leased lines
B)access lines
C)both A and B
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Chapter 11: Networked Applications
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95 Verified Questions
95 Flashcards
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Sample Questions
Q1) SaaS software vendors may make an application available by ________.
A)hosting it on their own webservers
B)allowing the application to be downloaded to the consumer device
C)both A and B
D)neither A nor B
Q2) ________ is a standard to describe a file's format type.
A)RFC 2822
B)SMTP
C)HTML
D)MIME
Q3) Which element of the Skype network is in charge of signaling?
A)the login server
B)host nodes
C)super nodes
D)media gateways
Q4) Mail servers communicate with each other by using ________.
A)POP
B)HTTP
C)RFC 2822
D)SMTP
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Chapter 12: Module a More on Tcp
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4 Flashcards
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Sample Questions
Q1) A TCP segment carries data octets 456 through 980.The following TCP segment is a supervisory segment carrying no data.What value is in the sequence number field of the latter TCP segment?
A)456
B)457
C)980
D)981
Q2) A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the sending host put in the sequence number field?
A)8,658
B)8,659
C)12,783
D)12,784
Q3) Flow control in TCP depends on the ________ field.
A)acknowledgement number
B)window size
C)both A and B
D)neither A nor B
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14
Chapter 13: Module B More on Modulation
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Sample Questions
Q1) In QAM,if you have eight possible amplitudes,you have ________ possible states.
A)4
B)8
C)16
D)none of the above
Q2) Phase modulation uses two ________ levels.
A)loudness
B)frequency
C)both A and B
D)neither A nor B
Q3) Amplitude modulation uses two ________ levels.
A)loudness
B)frequency
C)both A and B
Q4) QPSK sends ________ bit(s)per clock cycle.
A)1
B)2
C)4
D)16
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Chapter 14: Module C More on Telecommunications
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47 Verified Questions
47 Flashcards
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Sample Questions
Q1) Plenum wiring is needed for ________.
A)heavy traffic loads
B)safety
C)both A and B
D)neither A nor B
Q2) In TDM,a voice conversation gets the same ________ in each ________.
A)frame, packet
B)packet, frame
C)frame, slot
D)slot, frame
Q3) Even for local calls,many telephone companies charge by the duration of the call.
A)True
B)False
Q4) PSTN signaling in the United States uses ________.
A)SS7
B)ATM
C)TDM
D)SIP
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Page 16
Chapter 15: Module D Directory Servers
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11 Verified Questions
11 Flashcards
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Sample Questions
Q1) Which device holds authentication data?
A)authenticator
B)authentication server
C)both A and B
D)neither A nor B
Q2) A group of Active Directory domains organized in a hierarchy is a ________.
A)network
B)tree
C)forest
D)none of the above
Q3) Active Directory is Microsoft's directory server product.
A)True
B)False
Q4) In AD,there is partial replication between domain controllers ________.
A)in the same domain
B)in different domains at adjacent levels in the domain hierarchy
C)both A and B
D)neither A nor B
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